{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{6}{c}}
\hline\hline
          &\multicolumn{1}{c}{(1)}         &\multicolumn{1}{c}{(2)}         &\multicolumn{1}{c}{(3)}         &\multicolumn{1}{c}{(4)}         &\multicolumn{1}{c}{(5)}         &\multicolumn{1}{c}{(6)}         \\
\hline
1.S#1.T   &    0.028         &    0.028         &    0.088         &   -0.034         &   -0.034         &    0.044         \\
          &  (0.056)         &  (0.056)         &  (0.065)         &  (0.066)         &  (0.066)         &  (0.077)         \\
\hline
\(N\)     &     7077         &     7077         &     7077         &     7042         &     7042         &     7042         \\
\(R^{2}\) &    0.250         &    0.250         &    0.263         &    0.257         &    0.257         &    0.271         \\
\hline\hline
\end{tabular}
}
